Most casino workers on the Las Vegas strip are part of a union. Now, some non-union casino workers want to be part of a union. But some say they're being targeted for speaking out. The World's Jason Margolis has more.

Most casino workers on the Las Vegas strip are part of a union. Now, some non-union casino workers want to be part of a union. But some say they're being targeted for speaking out. The World's Jason Margolis has more.